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编 号:F741109
分子式:C24H29N3O3S
分子量:439.57
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10mM*1mL in DMSO
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5mg
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10mg
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25mg
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50mg
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生物活性:
NecroX-7 is a potent free radical scavenger and a HMGB1 (high-mobility group box 1) inhibitor. NecroX-7 can be used as an antidote to acetaminophen toxicity. NecroX-7 exerts a protective effect by preventing the release of HMGB1 in ischemia/reperfusion injury. NecroX-7 inhibits the HMGB1-induced release of TNF and IL-6, as well as the expression of TLR-4 and receptor for advanced glycation end products. NecroX-7 can be used graft-versus-host disease (GVHD) research.

体内研究:
NecroX-7 (0-0.3 mg/kg, IV, once injection at 2-d intervals, for 2 weeks) significantly attenuates GVHD-related mortality and inhibits severe tissue damage.NecroX-7 protects mice against lethal GVHD by reciprocal regulation of regulatory T/Th1 cells, attenuating systemic HMGB1 accumulation and inhibiting HMGB1-mediated inflammatory response.Animal Model:Female BALB/c and C57BL/6 mice (Eight-week-old, with GVHD)
Dosage:0.03, 0.1, and 0.3 mg/kg
Administration:IV, once injection at 2-d intervals, for 2 weeks
Result:Observed statistically significant prolonged survival at doses ≥0.1 mg/kg: 30–60% of mice in these treatment groups survived for >50 d. Significantly improved clinical signs and prolonged survival, and the mice showed a reduction in clinical manifestations of acute GVHD, including weight loss, hunched posture, diarrhea, and ruffled fur.

体外研究:
NecroX-7 (0-40 μM, 3-4 d) suppresses activated or proliferating T cells without causing apoptosis.NecroX-7 (0-40 μM) markedly reduces HMGB1 levels in a dose-dependent manner.NecroX-7 inhibits formation of mitochondria-specific ROS/reactive nitrogen species in H9C2 cells and hepatocytes after induction by tert-butyl hydroperoxide or doxorubicin.NecroX-7 increased regulatory T cell numbers, which may be associated with regulation of differentiation signals independent of HMGB1.
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